NGC 3324

Number of stars per data source

	Reference  137 :    1 star
	Reference  206 :    1 star
	Reference  463 :    1 star

137: Gronbech B., Olsen E.H.; (1976) Astron. Astrophys. Suppl. 25, 213; Four colour uvby photometry for bright O to G0 type stars south of declination +10; 1976A&AS...25..213G
206: Sterken C.; (1977) Astron. Astrophys. 57, 361; Light variations of extreme galactic B-and A supergiants; 1977A&A....57..361S
463: Gray R.O., Olsen E.H.; (1991) Astron. Astrophys. Suppl. 87, 541; The calibration of the Stromgren photometric system for A, F and early G supergiants. I. The observational data; 1991A&AS...87..541G